Lucia, Hanon, Rina, and Caren go to Gaito's castle to stop his plans of world domination and rescue two friends, Noel and Coco (the mermaid princesses of the South Pacific) in the process. As Coco begs Sara to return to her old self, Lucia is forced to challenge her own heart. (Source: Wikipedia)

Aired on: 3/12/2004